This multicenter study will evaluate the correlation of interleukin 28B (IL28B) genotypes with disease characteristics and demographics in treatment-naïve and treatment-experienced chronic hepatitis C patients, including patients with HIV co-infection. There will be a single study visit for testing.

Patients naïve to CHC treatment or patients who received prior interferon-based therapy for CHC for whom data on treatment received and treatment outcome is available; information on fibrosis stage prior to previous treatment is also required

Exclusion Criteria:

Co-infection with hepatitis B

History or evidence of decompensated liver disease

History of major organ transplantation with an existing functional graft (including liver transplantation)

End stage renal disease

Contacts and Locations

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study.
To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT01675427